SpaceX has officially filed to go public, a move that could make CEO Elon Musk the world's first trillionaire thanks to on his sizable stake in the space company. Other investors are set to profit from the highly anticipated IPO too, including a member of Congress.

Congresswoman Owns SpaceX Stake

Earlier this year, rep. Lisa McClain disclosed buying shares in Musk-owned AI and social media company xAI, which was merged into SpaceX in February 2026 with a valuation of $250 billion. At the time of the xAI and SpaceX merger, the companies were valued at $1.25 trillion combined.

McClain’s purchase, made on Dec. 15, 2025, can be tracked on the Benzinga Government Trades page. She disclosed that her spouse bought between $100,000 and $250,000 in private stock of xAI at the time.

Assuming McClain's xAI purchase was made at the $250 billion valuation, the stake has the potential to gain significantly based on SpaceX's target valuation for its upcoming IPO. The holding could be worth even more if the shares were bought at a lower valuation.

SpaceX is expected to price for a valuation of $1.75 trillion in its IPO, but many investors, analysts and prediction markets suggest the figure could hit $2 trillion at the share sale or shortly after it.

Here's how much McClain's stake would be worth, if the original ...